ETC ETS-LC-3 EchoTouch Locking Cover | GrayThe ETC ETS LC 3 is a Gray EchoTouch locking cover accessory designed for EchoTouch Mk2 installations where protected access to the wall station is required. For integrators, specifiers, and facility teams working in schools, public venues, worship spaces, or shared use rooms, this accessory supports projects that call for a cleaner installed appearance while helping limit unintended interaction with the control surface. It is well suited for